a. 两栖类的, 水陆两用的

n. 两栖动物, 水旱两生植物, 水陆两用飞机

n. a flat-bottomed motor vehicle that can travel on land or water

n. an airplane designed to take off and land on water

n. cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form